Sharp IQ-9200

3) Pin layout
582
Qqag2
WR
H
H
!
Reset input (PD)
OZ-9600 II
IQ-9200
4) Pin assignment RSPR eyet
. CPU signal Circuit signal ; ;
Pao, | name | name | YO | ALOFF
7~27 A0-A20 A0-A20 fe)
| 28.29 | CEO.CE1 EXCED,CEIN |__O H
p85 ce? cer | [Card ROM select, system ROM select |
p88 eS CES Card RAMselect2
pe Oe ll = BS OER pO. tM a ee gies cd Ma ROMOR: ea a es
ps2 ee tc JPeripheral vO select
oo 88 ORS = CES On A ee RAM OGD es |
p87 PD control clock, 4oKHz
| 39,40 | x8, x4 | XR X4 OT OT [CT Forsub-logicosciliation
[| CH [Keyinputsignal (PD)
| __49~64 | KOO-KOIS | KOO-KOIS | O_ | L a ee ee or he re
hoor EEO. = wy = PERO | Oro cbt de oe he kl oh
jo OO BED NG 0 eh ee Noted
poe Ofte 2 |e EE = NO ee Ms INetee =
p68 TEST ta | [ECD timingsignal, MHz
peo ON ON Okey input interrupt
fo TxD TsO oT sorr fT SOFT TH iSpinsenddata
Pmt tS pinrecevedata
p72 | EO SELECT | O__| Notpredictable [Notpredictable[" “SOFT | H_ [ForiSpin
poo ES A Ne ee NOR
p74 ER S20 _[ Notpredictable | Notpredictable | SOFT | _H__|Cardrecognition strobe output
| 75 | ES | ROMBANK | O__[ Notpredictable | Notpredictable| SOFT | =H [ROMbankmain
pe TAT tRMO TT Tittertupt signalirom ATC
77 ES TBINT -—-} |_| fee ee ag
78 E6 UNLOCK PC Lock switch interruptsignal
PO Et = NU ee ee [Not ap
__E8 RS — SOFT Not predictable
81 EQ ER SOFT Notpredictable[ SOFT | H_[Fori5pin,
82 E10 cD bot in et eee Se ODIO <= ae = oe pe
83 E11 DR fe ee eee hee OPIN ee
E12 cTs fic a es PROS DID oe gn a ened
85 E13 Bello of tf | CTC tS pinstartupinput
E14 NU ee ae re
SOFT | Notpredictable|" SOFT [ H [Cardoutputenable
[| CC*dT: Ss Forsystemclock oscillation
For LCD control (not used)
Test pin (GND connected)
Card recognition external PD
Beeper output signal
Memory 1/O write pulse
Memory request (not. used)
: i
xy c-yx
Reference voltage
No backup power supply, VCC